*{
    padding: 0;
    margin: 0;

    /* box-sizing: border-box; */
}
ul,ol{
    list-style: none;
}
a,u{
    text-decoration: none;
}
i,em{
    font-style: normal;
}
b,strong{
    font-weight: normal;
}
h1,h2,h3,h4,h5,h6{
    font-weight: normal;
}
input{
    border: 0;
    outline: none;
}
.clear_fix::after{
    content: ".";
    display: block;
    height: 0;
    clear: both;
    overflow: hidden;
    visibility: hidden;
}